“PENGARUH PENERAPAN MODEL PEMBELARAN PROBLEM BASED LEARNING TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS PESERTA DIDIK KELAS X SMAN 1 V KOTO KAMPUNG DALAM”, Sindoro, vol. 18, no. 2, pp. 2051–2060, Dec. 2025, Accessed: Oct. 02, 2026. [Online]. Available: https://cibjournal.com/index.php/sindoro/article/view/3929